104278641 has 8 divisors (see below), whose sum is σ = 139871424. Its totient is φ = 69102480.

The previous prime is 104278639. The next prime is 104278649. The reversal of 104278641 is 146872401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 104278641 - 2¹ = 104278639 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (104278649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103570 + ... + 104571.

It is an arithmetic number, because the mean of its divisors is an integer number (17483928).

Almost surely, 2^104278641 is an apocalyptic number.

It is an amenable number.

104278641 is a deficient number, since it is larger than the sum of its proper divisors (35592783).

104278641 is a wasteful number, since it uses less digits than its factorization.

104278641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208311.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 104278641 is about 10211.6913878162. The cubic root of 104278641 is about 470.6865490771.

The spelling of 104278641 in words is "one hundred four million, two hundred seventy-eight thousand, six hundred forty-one".